<form role="form" class="form-signin js_password_reset" method="post">
    Please enter comma separated emails of invitees.
    <input type="text" autofocus="" required="" name="email" placeholder="Email" class="form-control js_email">
    <button style="margin-top:20px;" type="button" class="btn btn-md btn-primary js_submit">Submit</button>
</form>